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Finding the Fourth Proportional to 526.52, 790.16 and 353.52

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Solution

The fourth proportional to 526.52, 790.16 and 353.52 is: 530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.52 : 790.16 = 353.52 : x
  2. Step 2: Convert to fraction form
    526.52/790.16 = 353.52/x
  3. Step 3: Cross multiply
    526.52x = 790.16 × 353.52
  4. Step 4: Simplify right side
    526.52x = 279,337.36
  5. Step 5: Solve for x
    x = 279,337.36/526.52
  6. Step 6: Final answer
    x = 530.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.