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Finding the Fourth Proportional to 594.77, 820.76 and 346.05

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Solution

The fourth proportional to 594.77, 820.76 and 346.05 is: 477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.77 : 820.76 = 346.05 : x
  2. Step 2: Convert to fraction form
    594.77/820.76 = 346.05/x
  3. Step 3: Cross multiply
    594.77x = 820.76 × 346.05
  4. Step 4: Simplify right side
    594.77x = 284,023.57
  5. Step 5: Solve for x
    x = 284,023.57/594.77
  6. Step 6: Final answer
    x = 477.54

Related Problems

Find fourth proportional to 297.38, 410.38 and 173.03
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.