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Finding the Fourth Proportional to 653.06, 975 and 498.16

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Solution

The fourth proportional to 653.06, 975 and 498.16 is: 743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.06 : 975 = 498.16 : x
  2. Step 2: Convert to fraction form
    653.06/975 = 498.16/x
  3. Step 3: Cross multiply
    653.06x = 975 × 498.16
  4. Step 4: Simplify right side
    653.06x = 485,706
  5. Step 5: Solve for x
    x = 485,706/653.06
  6. Step 6: Final answer
    x = 743.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.