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Finding the Fourth Proportional to 525.53, 788.30 and 344.08

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Solution

The fourth proportional to 525.53, 788.30 and 344.08 is: 516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.53 : 788.30 = 344.08 : x
  2. Step 2: Convert to fraction form
    525.53/788.30 = 344.08/x
  3. Step 3: Cross multiply
    525.53x = 788.30 × 344.08
  4. Step 4: Simplify right side
    525.53x = 271,240.75
  5. Step 5: Solve for x
    x = 271,240.75/525.53
  6. Step 6: Final answer
    x = 516.13

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Double scale
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Similar ratio
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1.5x scale

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.