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Finding the Fourth Proportional to 732.61, 1,010.07 and 437.77

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Solution

The fourth proportional to 732.61, 1,010.07 and 437.77 is: 603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.61 : 1,010.07 = 437.77 : x
  2. Step 2: Convert to fraction form
    732.61/1,010.07 = 437.77/x
  3. Step 3: Cross multiply
    732.61x = 1,010.07 × 437.77
  4. Step 4: Simplify right side
    732.61x = 442,178.34
  5. Step 5: Solve for x
    x = 442,178.34/732.61
  6. Step 6: Final answer
    x = 603.57

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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.