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Finding the Fourth Proportional to 528.84, 730.04 and 332.48

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Solution

The fourth proportional to 528.84, 730.04 and 332.48 is: 458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.84 : 730.04 = 332.48 : x
  2. Step 2: Convert to fraction form
    528.84/730.04 = 332.48/x
  3. Step 3: Cross multiply
    528.84x = 730.04 × 332.48
  4. Step 4: Simplify right side
    528.84x = 242,718.39
  5. Step 5: Solve for x
    x = 242,718.39/528.84
  6. Step 6: Final answer
    x = 458.96

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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.