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Finding the Fourth Proportional to 184.04, 253.98 and 101.15

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Solution

The fourth proportional to 184.04, 253.98 and 101.15 is: 139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.04 : 253.98 = 101.15 : x
  2. Step 2: Convert to fraction form
    184.04/253.98 = 101.15/x
  3. Step 3: Cross multiply
    184.04x = 253.98 × 101.15
  4. Step 4: Simplify right side
    184.04x = 25,688.55
  5. Step 5: Solve for x
    x = 25,688.55/184.04
  6. Step 6: Final answer
    x = 139.58

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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.