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Finding the Fourth Proportional to 1,300.60, 1,951.54 and 607.16

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Solution

The fourth proportional to 1,300.60, 1,951.54 and 607.16 is: 911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.60 : 1,951.54 = 607.16 : x
  2. Step 2: Convert to fraction form
    1,300.60/1,951.54 = 607.16/x
  3. Step 3: Cross multiply
    1,300.60x = 1,951.54 × 607.16
  4. Step 4: Simplify right side
    1,300.60x = 1,184,904.08
  5. Step 5: Solve for x
    x = 1,184,904.08/1,300.60
  6. Step 6: Final answer
    x = 911.04

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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.