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Finding the Fourth Proportional to 602.55, 831.03 and 532.68

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Solution

The fourth proportional to 602.55, 831.03 and 532.68 is: 734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.55 : 831.03 = 532.68 : x
  2. Step 2: Convert to fraction form
    602.55/831.03 = 532.68/x
  3. Step 3: Cross multiply
    602.55x = 831.03 × 532.68
  4. Step 4: Simplify right side
    602.55x = 442,673.06
  5. Step 5: Solve for x
    x = 442,673.06/602.55
  6. Step 6: Final answer
    x = 734.67

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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.