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Finding the Fourth Proportional to 526.95, 791.25 and 507.36

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Solution

The fourth proportional to 526.95, 791.25 and 507.36 is: 761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.95 : 791.25 = 507.36 : x
  2. Step 2: Convert to fraction form
    526.95/791.25 = 507.36/x
  3. Step 3: Cross multiply
    526.95x = 791.25 × 507.36
  4. Step 4: Simplify right side
    526.95x = 401,448.60
  5. Step 5: Solve for x
    x = 401,448.60/526.95
  6. Step 6: Final answer
    x = 761.83

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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.