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Finding the Fourth Proportional to 529.92, 790.25 and 525.06

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Solution

The fourth proportional to 529.92, 790.25 and 525.06 is: 783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.92 : 790.25 = 525.06 : x
  2. Step 2: Convert to fraction form
    529.92/790.25 = 525.06/x
  3. Step 3: Cross multiply
    529.92x = 790.25 × 525.06
  4. Step 4: Simplify right side
    529.92x = 414,926.04
  5. Step 5: Solve for x
    x = 414,926.04/529.92
  6. Step 6: Final answer
    x = 783.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.