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Finding the Fourth Proportional to 676.89, 933.66 and 588.24

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Solution

The fourth proportional to 676.89, 933.66 and 588.24 is: 811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.89 : 933.66 = 588.24 : x
  2. Step 2: Convert to fraction form
    676.89/933.66 = 588.24/x
  3. Step 3: Cross multiply
    676.89x = 933.66 × 588.24
  4. Step 4: Simplify right side
    676.89x = 549,216.16
  5. Step 5: Solve for x
    x = 549,216.16/676.89
  6. Step 6: Final answer
    x = 811.38

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1.5x scale

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.