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Finding the Fourth Proportional to 532.53, 734.76 and 322.67

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Solution

The fourth proportional to 532.53, 734.76 and 322.67 is: 445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.53 : 734.76 = 322.67 : x
  2. Step 2: Convert to fraction form
    532.53/734.76 = 322.67/x
  3. Step 3: Cross multiply
    532.53x = 734.76 × 322.67
  4. Step 4: Simplify right side
    532.53x = 237,081.34
  5. Step 5: Solve for x
    x = 237,081.34/532.53
  6. Step 6: Final answer
    x = 445.20

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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.