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Finding the Fourth Proportional to 530.94, 732.06 and 437.61

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Solution

The fourth proportional to 530.94, 732.06 and 437.61 is: 603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.94 : 732.06 = 437.61 : x
  2. Step 2: Convert to fraction form
    530.94/732.06 = 437.61/x
  3. Step 3: Cross multiply
    530.94x = 732.06 × 437.61
  4. Step 4: Simplify right side
    530.94x = 320,356.78
  5. Step 5: Solve for x
    x = 320,356.78/530.94
  6. Step 6: Final answer
    x = 603.38

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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.