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Finding the Fourth Proportional to 598.70, 898.35 and 553.59

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Solution

The fourth proportional to 598.70, 898.35 and 553.59 is: 830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.70 : 898.35 = 553.59 : x
  2. Step 2: Convert to fraction form
    598.70/898.35 = 553.59/x
  3. Step 3: Cross multiply
    598.70x = 898.35 × 553.59
  4. Step 4: Simplify right side
    598.70x = 497,317.58
  5. Step 5: Solve for x
    x = 497,317.58/598.70
  6. Step 6: Final answer
    x = 830.67

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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.