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Finding the Fourth Proportional to 502.92, 693.60 and 437.32

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Solution

The fourth proportional to 502.92, 693.60 and 437.32 is: 603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.92 : 693.60 = 437.32 : x
  2. Step 2: Convert to fraction form
    502.92/693.60 = 437.32/x
  3. Step 3: Cross multiply
    502.92x = 693.60 × 437.32
  4. Step 4: Simplify right side
    502.92x = 303,325.15
  5. Step 5: Solve for x
    x = 303,325.15/502.92
  6. Step 6: Final answer
    x = 603.13

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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.