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Finding the Fourth Proportional to 528.79, 730.08 and 362.92

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Solution

The fourth proportional to 528.79, 730.08 and 362.92 is: 501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.79 : 730.08 = 362.92 : x
  2. Step 2: Convert to fraction form
    528.79/730.08 = 362.92/x
  3. Step 3: Cross multiply
    528.79x = 730.08 × 362.92
  4. Step 4: Simplify right side
    528.79x = 264,960.63
  5. Step 5: Solve for x
    x = 264,960.63/528.79
  6. Step 6: Final answer
    x = 501.07

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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.