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Finding the Fourth Proportional to 594.80, 820.88 and 342.76

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Solution

The fourth proportional to 594.80, 820.88 and 342.76 is: 473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.80 : 820.88 = 342.76 : x
  2. Step 2: Convert to fraction form
    594.80/820.88 = 342.76/x
  3. Step 3: Cross multiply
    594.80x = 820.88 × 342.76
  4. Step 4: Simplify right side
    594.80x = 281,365.17
  5. Step 5: Solve for x
    x = 281,365.17/594.80
  6. Step 6: Final answer
    x = 473.04

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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.