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Finding the Fourth Proportional to 530.89, 797.47 and 325.58

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Solution

The fourth proportional to 530.89, 797.47 and 325.58 is: 489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.89 : 797.47 = 325.58 : x
  2. Step 2: Convert to fraction form
    530.89/797.47 = 325.58/x
  3. Step 3: Cross multiply
    530.89x = 797.47 × 325.58
  4. Step 4: Simplify right side
    530.89x = 259,635.48
  5. Step 5: Solve for x
    x = 259,635.48/530.89
  6. Step 6: Final answer
    x = 489.06

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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.