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Finding the Fourth Proportional to 575.52, 795.06 and 497.76

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Solution

The fourth proportional to 575.52, 795.06 and 497.76 is: 687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.52 : 795.06 = 497.76 : x
  2. Step 2: Convert to fraction form
    575.52/795.06 = 497.76/x
  3. Step 3: Cross multiply
    575.52x = 795.06 × 497.76
  4. Step 4: Simplify right side
    575.52x = 395,749.07
  5. Step 5: Solve for x
    x = 395,749.07/575.52
  6. Step 6: Final answer
    x = 687.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.