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Finding the Fourth Proportional to 672.64, 925.58 and 652.60

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Solution

The fourth proportional to 672.64, 925.58 and 652.60 is: 898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.64 : 925.58 = 652.60 : x
  2. Step 2: Convert to fraction form
    672.64/925.58 = 652.60/x
  3. Step 3: Cross multiply
    672.64x = 925.58 × 652.60
  4. Step 4: Simplify right side
    672.64x = 604,033.51
  5. Step 5: Solve for x
    x = 604,033.51/672.64
  6. Step 6: Final answer
    x = 898.00

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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.