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Finding the Fourth Proportional to 366.60, 549.88 and 123.10

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Solution

The fourth proportional to 366.60, 549.88 and 123.10 is: 184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.60 : 549.88 = 123.10 : x
  2. Step 2: Convert to fraction form
    366.60/549.88 = 123.10/x
  3. Step 3: Cross multiply
    366.60x = 549.88 × 123.10
  4. Step 4: Simplify right side
    366.60x = 67,690.23
  5. Step 5: Solve for x
    x = 67,690.23/366.60
  6. Step 6: Final answer
    x = 184.64

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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.