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Finding the Fourth Proportional to 895.99, 1,343.93 and 533.09

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Solution

The fourth proportional to 895.99, 1,343.93 and 533.09 is: 799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.99 : 1,343.93 = 533.09 : x
  2. Step 2: Convert to fraction form
    895.99/1,343.93 = 533.09/x
  3. Step 3: Cross multiply
    895.99x = 1,343.93 × 533.09
  4. Step 4: Simplify right side
    895.99x = 716,431.78
  5. Step 5: Solve for x
    x = 716,431.78/895.99
  6. Step 6: Final answer
    x = 799.60

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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.