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Finding the Fourth Proportional to 622.99, 935.17 and 526.68

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Solution

The fourth proportional to 622.99, 935.17 and 526.68 is: 790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.99 : 935.17 = 526.68 : x
  2. Step 2: Convert to fraction form
    622.99/935.17 = 526.68/x
  3. Step 3: Cross multiply
    622.99x = 935.17 × 526.68
  4. Step 4: Simplify right side
    622.99x = 492,535.34
  5. Step 5: Solve for x
    x = 492,535.34/622.99
  6. Step 6: Final answer
    x = 790.60

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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.