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Finding the Fourth Proportional to 601.40, 897.73 and 528.50

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Solution

The fourth proportional to 601.40, 897.73 and 528.50 is: 788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.40 : 897.73 = 528.50 : x
  2. Step 2: Convert to fraction form
    601.40/897.73 = 528.50/x
  3. Step 3: Cross multiply
    601.40x = 897.73 × 528.50
  4. Step 4: Simplify right side
    601.40x = 474,450.31
  5. Step 5: Solve for x
    x = 474,450.31/601.40
  6. Step 6: Final answer
    x = 788.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.