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Finding the Fourth Proportional to 846.10, 1,267.26 and 498.34

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Solution

The fourth proportional to 846.10, 1,267.26 and 498.34 is: 746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.10 : 1,267.26 = 498.34 : x
  2. Step 2: Convert to fraction form
    846.10/1,267.26 = 498.34/x
  3. Step 3: Cross multiply
    846.10x = 1,267.26 × 498.34
  4. Step 4: Simplify right side
    846.10x = 631,526.35
  5. Step 5: Solve for x
    x = 631,526.35/846.10
  6. Step 6: Final answer
    x = 746.40

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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.