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Finding the Fourth Proportional to 673.62, 924.30 and 655.26

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Solution

The fourth proportional to 673.62, 924.30 and 655.26 is: 899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.62 : 924.30 = 655.26 : x
  2. Step 2: Convert to fraction form
    673.62/924.30 = 655.26/x
  3. Step 3: Cross multiply
    673.62x = 924.30 × 655.26
  4. Step 4: Simplify right side
    673.62x = 605,656.82
  5. Step 5: Solve for x
    x = 605,656.82/673.62
  6. Step 6: Final answer
    x = 899.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.