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Finding the Fourth Proportional to 654.98, 976.59 and 631.26

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Solution

The fourth proportional to 654.98, 976.59 and 631.26 is: 941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.98 : 976.59 = 631.26 : x
  2. Step 2: Convert to fraction form
    654.98/976.59 = 631.26/x
  3. Step 3: Cross multiply
    654.98x = 976.59 × 631.26
  4. Step 4: Simplify right side
    654.98x = 616,482.20
  5. Step 5: Solve for x
    x = 616,482.20/654.98
  6. Step 6: Final answer
    x = 941.23

Related Problems

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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.