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Finding the Fourth Proportional to 525.51, 788.26 and 524.75

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Solution

The fourth proportional to 525.51, 788.26 and 524.75 is: 787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.51 : 788.26 = 524.75 : x
  2. Step 2: Convert to fraction form
    525.51/788.26 = 524.75/x
  3. Step 3: Cross multiply
    525.51x = 788.26 × 524.75
  4. Step 4: Simplify right side
    525.51x = 413,638.86
  5. Step 5: Solve for x
    x = 413,638.86/525.51
  6. Step 6: Final answer
    x = 787.12

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Double scale
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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.