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Finding the Fourth Proportional to 558.72, 834.24 and 526.08

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Solution

The fourth proportional to 558.72, 834.24 and 526.08 is: 785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.72 : 834.24 = 526.08 : x
  2. Step 2: Convert to fraction form
    558.72/834.24 = 526.08/x
  3. Step 3: Cross multiply
    558.72x = 834.24 × 526.08
  4. Step 4: Simplify right side
    558.72x = 438,876.98
  5. Step 5: Solve for x
    x = 438,876.98/558.72
  6. Step 6: Final answer
    x = 785.50

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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.