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Finding the Fourth Proportional to 894.76, 1,341.34 and 347.34

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Solution

The fourth proportional to 894.76, 1,341.34 and 347.34 is: 520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.76 : 1,341.34 = 347.34 : x
  2. Step 2: Convert to fraction form
    894.76/1,341.34 = 347.34/x
  3. Step 3: Cross multiply
    894.76x = 1,341.34 × 347.34
  4. Step 4: Simplify right side
    894.76x = 465,901.04
  5. Step 5: Solve for x
    x = 465,901.04/894.76
  6. Step 6: Final answer
    x = 520.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.