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Finding the Fourth Proportional to 677.99, 933.58 and 579.53

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Solution

The fourth proportional to 677.99, 933.58 and 579.53 is: 798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.99 : 933.58 = 579.53 : x
  2. Step 2: Convert to fraction form
    677.99/933.58 = 579.53/x
  3. Step 3: Cross multiply
    677.99x = 933.58 × 579.53
  4. Step 4: Simplify right side
    677.99x = 541,037.62
  5. Step 5: Solve for x
    x = 541,037.62/677.99
  6. Step 6: Final answer
    x = 798.00

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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.