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Finding the Fourth Proportional to 525.54, 792.93 and 507.36

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Solution

The fourth proportional to 525.54, 792.93 and 507.36 is: 765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.54 : 792.93 = 507.36 : x
  2. Step 2: Convert to fraction form
    525.54/792.93 = 507.36/x
  3. Step 3: Cross multiply
    525.54x = 792.93 × 507.36
  4. Step 4: Simplify right side
    525.54x = 402,300.96
  5. Step 5: Solve for x
    x = 402,300.96/525.54
  6. Step 6: Final answer
    x = 765.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.